Airtac SAI50 Standard Cylinder SAI50BX950S
The AirTAC SAI50 Standard Cylinder SAI50BX950S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 950mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ50 mm
- Stroke950 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAI50 Standard Cylinder SAI50BX950S
The AirTAC SAI50X950-S is a double-acting ISO 15552 profile cylinder engineered for long-reach linear motion. It generates 982 N of push force and 825 N of pull force at 0.5 MPa, making it well-suited for moving moderate loads over its 950 mm travel distance. As a non-standard stroke configuration, it is manufactured to order to meet specific automation requirements.
This specific unit includes a magnet for position sensing and is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance. The extruded aluminum barrel features sensor grooves on both sides, allowing direct mounting of CMSE or DMSE switches without additional brackets. It also includes adjustable air cushions at both ends to decelerate the piston smoothly over the extended 950 mm travel.
Airtac SAI50 Standard Cylinder SAI50BX950S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50BX950S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 950 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI50 Standard Cylinder SAI50BX950S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×950 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAI50 Standard Cylinder SAI50BX950S Is Used
Long-Stroke Material Transfer
Pushes products or pallets across wide conveyor gaps, utilizing the full 950 mm travel to bridge separate workstations without intermediate handling.
High-Bay Ejection
Actuates long-distance ejection arms in sorting facilities, using the 982 N push force at 0.5 MPa to nudge cartons off storage tiers reliably.
Large Door Operation
Opens and closes heavy equipment safety doors or machine guarding panels, benefiting from the SUS304 rod's durability in industrial environments.
Is the Airtac SAI50 Standard Cylinder SAI50BX950S the Right Cylinder?
Selecting this 50 mm bore over a smaller 40 mm option steps the thrust up from 628 N to 982 N at 0.5 MPa, providing extra power for longer stroke demands. Because the stroke is 950 mm, the unsupported rod is highly susceptible to bending under side loads. To prevent premature seal wear and rod-bearing failure, use an external guide rail or a guided cylinder carrier for any load that cannot be perfectly aligned.
This model is dimensionally interchangeable per ISO 15552, serving as a direct replacement for other standard profile cylinders with matching 50 mm bore, 950 mm stroke, G1/4 PT ports, and standard mounting accessories like FA flanges or TC trunnions. Note that the standard double-acting design relies on continuous air pressure to move; if your application must hold a load safely when air is exhausted, consider the SAIL variant with an air-released lock or an external pilot-operated check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAI50 Standard Cylinder SAI50BX950S FAQ
At 0.5 MPa operating pressure, this 50 mm bore cylinder provides a push force of 982 N and a pull force of 825 N. If pressure is increased to 0.7 MPa, the push force rises to 1374 N.
Yes, the SAI50X950-S is built to ISO 15552 dimensional standards, meaning it shares the same mounting interface, port sizes, and overall envelope as other standard 50 mm bore profile cylinders for straightforward interchangeability.
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